Patents Assigned to Totec Ltd.
  • Patent number: 7762103
    Abstract: The invention provides an absorption cooling system of the type including a liquid absorbent that remains in the liquid phase throughout the operation cycle, and a refrigerant having both a liquid phase and a vapor phase in the cycle, the basic system being powered by heat extracted from a hot fluid and powered auxiliary components, the system including the five basic components of a generator, an economizer, a condenser, an evaporator and an absorber, and further including a fluid circuit for the rich solution including a circulation pump, a fluid circuit for the lean solution, and for the refrigerant gas extracted from the liquid absorbent and replaced therein, partial circuits for hot fluid and for a cooling fluid, a jet mixer operating to mix saturated refrigerant gas with the lean solution to re-form the rich solution, the improvement comprising installing means for increasing the pressure of the saturated refrigerant gas flowing from the evaporator to the jet mixer.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: July 27, 2010
    Assignee: Totec Ltd.
    Inventor: Yehuda Artsiely
  • Patent number: 7582224
    Abstract: The invention provides a working fluid for an absorption cooling system of the type including a liquid absorbent that remains in the liquid phase throughout the operation cycle, and a refrigerant having both a liquid phase and a vapor phase in the cycle, wherein the system comprises a mixture of between about 2 and 30 w/w % of tetraethylene glycol dimethyl ether (tetraglyme) and between about 98 and 70 w/w % poly(ethylene glycol) dimethyl ether(polyglyme) as the absorbent therein, in combination with a commonly used refrigerant.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: September 1, 2009
    Assignee: Totec Ltd.
    Inventor: Yehuda Artsiely
  • Publication number: 20080016903
    Abstract: The invention provides a working fluid for an absorption cooling system of the type including a liquid absorbent that remains in the liquid phase throughout the operation cycle, and a refrigerant having both a liquid phase and a vapor phase in the cycle, wherein the system comprises a mixture of between about 2 and 30 w/w % of tetraethylene glycol dimethyl ether (tetraglyme) and between about 98 and 70 w/w % poly(ethylene glycol) dimethyl ether(polyglyme) as the absorbent therein, in combination with a commonly used refrigerant.
    Type: Application
    Filed: June 28, 2007
    Publication date: January 24, 2008
    Applicant: TOTEC LTD.
    Inventor: Yehuda Artsiely
  • Publication number: 20080016902
    Abstract: The invention provides an absorption cooling system of the type including a liquid absorbent that remains in the liquid phase throughout the operation cycle, and a refrigerant having both a liquid phase and a vapor phase in the cycle, the basic system being powered by heat extracted from a hot fluid and powered auxiliary components, the system including the five basic components of a generator, an economizer, a condenser, an evaporator and an absorber, and further including a fluid circuit for the rich solution including a circulation pump, a fluid circuit for the lean solution, and for the refrigerant gas extracted from the liquid absorbent and replaced therein, partial circuits for hot fluid and for a cooling fluid, a jet mixer operating to mix saturated refrigerant gas with the lean solution to re-form the rich solution, the improvement comprising installing means for increasing the pressure of the saturated refrigerant gas flowing from the evaporator to the jet mixer.
    Type: Application
    Filed: June 28, 2007
    Publication date: January 24, 2008
    Applicant: TOTEC LTD.
    Inventor: Yehuda Artsiely